400076752149 has 32 divisors (see below), whose sum is σ = 627613920000. Its totient is φ = 251011533312.

The previous prime is 400076752109. The next prime is 400076752157. The reversal of 400076752149 is 941257670004.

It is not a de Polignac number, because 400076752149 - 2²¹ = 400074654997 is a prime.

It is a super-2 number, since 2×400076752149² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400076752109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13038177 + ... + 13068825.

It is an arithmetic number, because the mean of its divisors is an integer number (19612935000).

Almost surely, 2^400076752149 is an apocalyptic number.

It is an amenable number.

400076752149 is a deficient number, since it is larger than the sum of its proper divisors (227537167851).

400076752149 is a wasteful number, since it uses less digits than its factorization.

400076752149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59114 (or 59108 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 400076752149 in words is "four hundred billion, seventy-six million, seven hundred fifty-two thousand, one hundred forty-nine".